[mousetweaks] Use AM_SILENT_RULES if available

[Gerd Kohlberger <gerdk src gnome org>]

commit 9ae5c36f75965a67528beae520c6ca5cd7bd9e13
Author: Gerd Kohlberger <gerdk src gnome org>
Date:   Sun Aug 23 15:09:07 2009 +0200

    Use AM_SILENT_RULES if available
    
    This is part of a future GNOME goal to get a nicer build output.
    The macro requires Automake >= 1.11.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d1d08aa..2703232 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,7 @@ AC_PREFIX_DEFAULT([/usr])
 
 AM_INIT_AUTOMAKE([1.9])
 AM_MAINTAINER_MODE
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 AC_PROG_CC
 AC_PROG_INSTALL